<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>01_CSS的三种位置</title>
    <link rel="stylesheet" href="01.css">
    <style>
        p{
            color:lightgreen;
        }
        h1{
            background-color: pink;
            color:green !important;
        }
    </style>
</head>
<body>
    <h1 style="color:blue;">优先级测试</h1>
    <h4 style="color:red;">测试文字</h4>
    <h4>测试文字</h4>

    <p>段落</p>
    <p>段落</p>
    <p>段落</p>

    <div>分区</div>
    <div>分区</div>
    <div>分区</div>
</body>
</html>